550 citations
- The University of TokyoJP219 papers
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Showing 2007 · cond-mat.str-elShow all
3 papers · 2 filters
cond-mat.str-el2007★ 22 cited
Phase diagram of the one-dimensional Hubbard model with next-nearest-neighbor hopping
S. Nishimoto, K. Sano, Y. Ohta
We study the one-dimensional Hubbard model with nearest-neighbor and next-nearest-neighbor hopping integrals by using the density-matrix renormalization group (DMRG) method and Har…
cond-mat.str-el2007★ 54 cited
Probing the microscopic structure of bound states in quantum point contacts
Y. Yoon, L. Mourokh, T. Morimoto +4
Using an approach that allows us to probe the electronic structure of strongly pinched-off quantum point contacts (QPCs), we provide evidence for the formation of self-consistently…
cond-mat.str-el2007★ 5 cited
Charge and spin excitation spectra in the one-dimensional Hubbard model with next-nearest-neighbor hopping
S. Nishimoto, T. Shirakawa, Y. Ohta
The dynamical density-matrix renormalization group technique is used to calculate spin and charge excitation spectra in the one-dimensional (1D) Hubbard model at quarter filling wi…